1CZ8:
reference: Selection and analysis of an optimized anti-VEGF antibody: crystal structure of an affinity-matured Fab in complex with antigen., Chen Y, Wiesmann C, Fuh G, Li B, Christinger HW, McKay P, de Vos AM, Lowman HB, J Mol Biol 1999 Nov 5;293(4):865-81. PMID: 10543973

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